Zakopalova broke serve five times to beat Arantxa Parra Santonja 6-3, 6-1, and Razzano came from behind to down Alexandra Dulgheru 3-6, 6-0, 6-4.

Also, second-seeded Simona Halep advanced to the second round by beating Rebecca Peterson of Sweden 6-4, 6-0. The Romanian has recently surged in the rankings after winning three WTA titles in five weeks.